/**
 * Copyright 2010 Terrestrial Ecosystem Research Network, licensed under the Apache
 * License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or
 * agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */

package au.org.tern.ecoinformatics.oai.provider.util;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Extension of Apache DateUtils, providing support for OAI-PMH date formats
 * @author vhobbs
 *
 */
public class DateUtils extends org.apache.commons.lang.time.DateUtils {

	public  static final String[] OAI_DATE_FORMATS = new String[] {"yyyy-MM-dd","yyyy-MM-dd'T'HH:mm:ss"};
	private static SimpleDateFormat sdfShort = new SimpleDateFormat(OAI_DATE_FORMATS[0]); 
	private static SimpleDateFormat sdfLong = new SimpleDateFormat(OAI_DATE_FORMATS[1]); 
	
	
	public static String formatDate(Date modificationDate, boolean showTime) {
		if (showTime) {
			
			return sdfLong.format(modificationDate);			
		}
		else {
			
			return sdfShort.format(modificationDate);			
		}
	}

}
